134021580 has 96 divisors (see below), whose sum is σ = 467873280. Its totient is φ = 27847680.

The previous prime is 134021567. The next prime is 134021609. The reversal of 134021580 is 85120431.

It is a self number, because there is not a number n which added to its sum of digits gives 134021580.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9885 + ... + 19124.

It is an arithmetic number, because the mean of its divisors is an integer number (4873680).

Almost surely, 2^134021580 is an apocalyptic number.

134021580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134021580 is an abundant number, since it is smaller than the sum of its proper divisors (333851700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134021580 is a wasteful number, since it uses less digits than its factorization.

134021580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29039 (or 29037 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 134021580 is about 11576.7689792964. The cubic root of 134021580 is about 511.7504633217.

The spelling of 134021580 in words is "one hundred thirty-four million, twenty-one thousand, five hundred eighty".